Counterterrorism, Crime Fighting, Forensics, and Surveillance Technologies IV最新文献

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Front Matter: Volume 11542 封面:卷11542
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引用次数: 0
Opening Remarks by Conference Chairs 会议主席致开幕词
H. Bouma, R. Stokes, R. Prabhu, Y. Yitzhaky
{"title":"Opening Remarks by Conference Chairs","authors":"H. Bouma, R. Stokes, R. Prabhu, Y. Yitzhaky","doi":"10.1117/12.2584113","DOIUrl":"https://doi.org/10.1117/12.2584113","url":null,"abstract":"","PeriodicalId":379756,"journal":{"name":"Counterterrorism, Crime Fighting, Forensics, and Surveillance Technologies IV","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124384621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of x-ray backscattering imaging system for detecting contraband concealed in the bottom of vehicle 用于检测车底违禁品的x射线后向散射成像系统的研制
Baolu Yang, Xin Wang, Haiping Shen, Jie Xu, Kai Xiong, B. Mu
{"title":"Development of x-ray backscattering imaging system for detecting contraband concealed in the bottom of vehicle","authors":"Baolu Yang, Xin Wang, Haiping Shen, Jie Xu, Kai Xiong, B. Mu","doi":"10.1117/12.2571044","DOIUrl":"https://doi.org/10.1117/12.2571044","url":null,"abstract":"Design research of X-ray backscatter imaging system for vehicle security was carried out, aiming at the demand of accurate and rapid detection of contrabands. The influence of the chopper mechanism on the imaging resolution and the solid angle of the flying point beam was simulated, while the parameters and structure of the chopper mechanism were designed. The imaging resolution of the backscattering system is about 8 mm and the solid angle of the flying point beam is about 6.4×10- 5 sr. Based on the X-ray energy deposition and luminescence efficiency, the effect of detector thickness and lead doped on the detection efficiency with different energy was investigated. A calculation model of luminous flux for backscatter detection was established and the influence of detector parameters on scattered X-ray luminous flux was analyzed, also the length of the detector was determined. The results show that it is more reasonable to use the lead-free plastic scintillator with thickness of 50 mm and length of 2.5 m as the backscattering detector for the X-ray backscattering system used for scanning of vehicle bottom, which can meet the demand of security inspection of vehicle bottom.","PeriodicalId":379756,"journal":{"name":"Counterterrorism, Crime Fighting, Forensics, and Surveillance Technologies IV","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117163435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
On the operational field exercises with small hyperspectral cameras in CBRNE emergencies 小型高光谱相机在CBRNE紧急情况下的野外作战演习
J. Kuula
{"title":"On the operational field exercises with small hyperspectral cameras in CBRNE emergencies","authors":"J. Kuula","doi":"10.1117/12.2574052","DOIUrl":"https://doi.org/10.1117/12.2574052","url":null,"abstract":"","PeriodicalId":379756,"journal":{"name":"Counterterrorism, Crime Fighting, Forensics, and Surveillance Technologies IV","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131997838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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